After the Decolorization step in Gram staining, Gram-negative bacteria will appear
A. Pink/red in color
B. Colorless
C. Brown in color
D. Green in color
E. Blue/Purple in color
Ans: B. Colorless
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The electronegativity of nitrogen (N) is 3.0, while the electronegativity of hydrogen (H) is 2.1 . Knowing this, consider how the electrons will be shared in ammonia (NH3). What do you predict about the polarity of ammonia?
A. Each H atom has a partial positive charge B. The N atom has a partial positive charge C. Each H atom has a partial negative charge D. The N atom has a strong positive charge
What would be the frequency of pink flowers in a population where the allele frequency of CR is 0.4 and the population is in Hardy-Weinberg equilibrium? Assume that CR CR is red, CRCW is pink, and CwCw is white.
A. 0.04 or 4% B. 0.16 or 16% C. 0.2 or 20% D. 0.8 or 80% E. 0.48 or 48%
____________________ is an overgrowth of cells in a tissue. Fill in the blank(s) with the appropriate word(s)
Which form of diabetes is most common?
a. type 1 b. type 3 c. type 2 d. gestational